COXII | Cytochrome oxidase subunit II

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AS04 053A   | clonality: polyclonal | host: rabbit  | reactivity: eudicots, monocots, Physcomitrella patens    cellular [compartment marker] of mitochondrial inner membrane


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Item No:
AS04 053A

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product information

Cytochrome c oxidase (COX) catalyzes the reduction of oxygen to water in the respiratory chain in the inner mitochondrial membrane. Subunits 1-3 form the functional core of the enzyme complex. Subunit 2 (COXII) transfers the electrons from cytochrome c via its binuclear copper A center to the bimetallic center of the catalytic subunit 1. Alternative name: cytochrome c oxidase subunit 2


KLH-conugated synthetic peptide fully conserved in all available protein sequences from eudicots includingArabidopsis thaliana AtmG00160, monocots including  Oryza sativa P04373 and Physcomitrella patens Q1XGA9

Host Rabbit
Clonality Polyclonal
Purity Affinity purified serum
Format Lyophilized in PBS pH 7.4
Quantity 50 ĩg
Reconstitution For reconstitution add 50 ĩl of sterile water.

store lyophilized/reconstituted at -20°C; once reconstituted make aliquots to avoid repeated freeze-thaw cycles. Please, remember to spin tubes briefly prior to opening them to avoid any losses that might occur from lyophilized material adhering to the cap or sides of the tubes.

Tested applications western blot (WB), Blue Native-PAGE (BN-PAGE)
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AS04 053P COXII | cytochrome oxidase subunit II | Blocking peptide
AS04 052 COXII | cytochrome oxidase subunit II
antibodies to other mitochondrial proteins
recommended secondary antibody

Plant protein extraction buffer

Secondary antibodies

Additional information

cellular [compartment marker] of mitochondrial inner membrane

application information
Recommended dilution

1:1000 (WB), 1: 1000 (BN-PAGE)

Expected | apparent MW

29.4 | 30 kDa (for Arabidopsis thaliana)

Confirmed reactivity

Arabidopsis thaliana (leaf extract and isolated mitochondria), Betula nana, Brassica napus, Brassica oleracea, Cicer aretinum, Erophorum vaginatum, Hordeum vulgare, Lilium longifolorum, Nicotiana tabacum, Picea abies, Plantago major, Plantago euryphylla, Silene uniflora, Silene dioica, Physcomitrella patens, Tritirum durum Desf. , Zea mays, Vicia faba, Quercus rubra

Predicted reactivity

dicots including Cucumis melo, Glycine max, Pisum sativum, monocots including Oryza sativa, Triticum aestivum, moss Physcomitrella patens and many more please inquire

Not reactive in

no confirmed exceptions from predicted reactivity known in the moment

Additional information

Antibody detects COXII protein most optimally in membrane fractions. The signal is weak in a in total protein extract. 

Blue Native gel electrophoresis (BN-PAGE) has been performed on samples solubilized with digitonin (4:1) and loaded at 100 µg/well. Gel thickness was 2 mm with 4.5-16 % gradient.

Selected references Pavlovič et al. (2016). Light-induced gradual activation of photosystem II in dark-grown Norway spruce seedlings. Biochim Biophys Acta. 2016 Feb 18. pii: S0005-2728(16)30028-7. doi: 10.1016/j.bbabio.2016.02.009.
Long et al. (2015). Contributions of photosynthetic and non-photosynthetic cell types to leaf respiration in Vicia faba L. and their responses to growth temperature. Plant Cell Environ. 2015 Apr 1. doi: 10.1111/pce.12544.
Rurek et al. (2015). Biogenesis of mitochondria in cauliflower (Brassica oleracea var. botrytis) curds subjected to temperature stress and recovery involves regulation of the complexome, respiratory chain activity, organellar translation and ultrastructure. Biochim Biophys Acta. 2015 Jan 21. pii: S0005-2728(15)00016-X. doi: 10.1016/j.bbabio.2015.01.005.
Dimkovikj and Van Hoewyk (2014). Selenite activates the alternative oxidase pathway and alters primary metabolism in Brassica napus roots: evidence of a mitochondrial stress response. BMC Plant Biol. 2014 Sep 30;14:259. doi: 10.1186/s12870-014-0259-6.
Li et al. (2014). AUTOPHAGY-RELATED11 Plays a Critical Role in General Autophagy- and Senescence-Induced Mitophagy in Arabidopsis. Plant Cell. 2014 Feb 21.

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